Toyota Highlander Hybrid 2020, Owner'S Manual

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4-5. Using the driving support systems
HIGHLANDER HV_U
play may be displayed abnormally,
or objects, such as a wall, may not
be detected.
● A sensor is covered in any way.
● When a sensor or the area around
a sensor is extremely hot or cold.
● On an extremely bumpy road, on
an incline, on gravel, or on grass.
● The vicinity of the vehicle is noisy
due to vehicle horns, motorcycle
engines, air brakes of large vehi-
cles, or other loud noises produc-
ing ultrasonic waves.
● There is another vehicle equipped
with parking assist sensors in the
vicinity.
● A sensor is coated with a sheet of
spray or heavy rain.
● If a sensor is hit by a large amount
of water, such as when driving on
a flooded road.
● If the vehicle is significantly tilted.
● The vehicle is approaching a tall
or curved curb.
● If objects draw too close to the
sensor.
■ Objects which may not be prop-
erly detected
The shape of the object may pre-
vent the sensor from detecting it.
Pay particular attention to the follow-
ing objects:
● Wires, fences, ropes, etc.
● Cotton, snow and other materials
that absorb sound waves
● Sharply-angled objects
● Low objects
● Tall objects with upper sections
projecting outwards in the direc-
tion of your vehicle
People may not be detected if they
are wearing certain types of cloth-
ing.
■
Adjusting the buzzer vol-
ume
The buzzer volume can be
adjusted on the multi-informa-
tion display.
Use the meter control switches
to change settings. (

P.107)
1
Press or to select .
2
Press or to select and
then press and hold .
3
Select the volume and then
press
.
Each time the switch is pressed,
the volume level will change
between 1, 2, and 3.
■
Muting a buzzer temporarily
A mute button will be displayed
on the multi-information display
when an object is detected. To
mute the buzzer, press
.
Mute will be canceled automati-
cally in the following situations:
 When the shift lever is
changed.
 When the vehicle speed
exceeds a certain speed.
 When there is malfunction in
a sensor or the system is tem-
porarily unavailable.
 When the operating function
is disabled manually.
 When the power switch is
turned off.
Setting the buzzer volume